Karnataka Rain: Mango Showers Spell to Continue or End Soon? IMD Gives Clear Answer On Pre-monsoon Rain

Karnataka has witnessed its first spell of pre-monsoon rainfall, popularly known as 'mango showers', with thunderstorms reported across districts such as Bengaluru, Mysuru, Tumakuru, Dharwad and Davanagere. The rains have brought significant rainfall in several areas, offering temporary relief from rising temperatures.

According to the India Meteorological Department (IMD), this rain activity is expected to continue for the next two to three days, after which a dry phase is likely to set in. This indicates a short-lived but typical March weather pattern.

In Bengaluru, rainfall has been unevenly distributed, with north and airport regions receiving heavier spells. The Kempegowda International Airport (KIAL) observatory recorded 64.8 mm on March 19 and 28.6 mm on March 18, pointing to stronger thunderstorm activity in the northern parts of the city. A sudden hailstorm in parts of north Bengaluru, especially around Yelahanka and near REVA University, has gone viral on social media, with videos showing ice pellets covering roads, vehicles and rooftops.

Residents described the brief but intense spell as turning parts of the city into a "mini Kashmir", as white hailstones blanketed the area for nearly 10-15 minutes.

More Rain Possible, But Heat Will Dominate

The IMD forecast issued on March 18, valid from March 19, shows that south interior Karnataka - including Bengaluru Urban and Rural, Mysuru, Tumakuru, Kolar, Chikkaballapura, Ramanagara, Mandya, Hassan, Chikkamagaluru and Kodagu - is likely to see isolated to scattered thunderstorms with lightning and gusty winds till March 21.

These storms are expected to be localised and uneven, meaning some areas may receive heavy rain while nearby regions may see little or none. In Bengaluru, this has already been observed, with Yelahanka, Devanahalli and the airport belt receiving heavier rain, while parts of south and central Bengaluru saw lighter or patchy showers. The forecast also indicates isolated hail and strong winds during intense storms.

Similar conditions are expected in north interior Karnataka, including Dharwad, Belagavi, Bagalkote, Gadag, Haveri, Davanagere, Ballari, Koppal, Raichur, Kalaburagi and Bidar, where scattered thunderstorms are likely till March 21. These districts have already recorded some of the highest rainfall in the state, reflecting strong pre-monsoon activity. The IMD has also indicated the possibility of isolated hail in some areas.

In coastal Karnataka, including Dakshina Kannada, Udupi and Uttara Kannada, rainfall is expected to remain limited, with only isolated thunderstorms over the next couple of days, followed by largely dry conditions.

Across the state, rainfall activity is expected to decline after March 21, with most districts likely to turn dry from March 22 onwards.

The recent showers have led to a noticeable dip in temperatures, especially in Bengaluru, where minimum temperatures dropped to around 17°C in some areas. However, meteorologists say this cooling is temporary. As rainfall reduces, temperatures are expected to rise again from next week, with a sharper increase likely after early April.

Summer Outlook

Some weather watchers have raised concerns that the second half of summer across India could be harsher, with parts of north India expected to face intense heat. There are also early discussions about a potentially uneven monsoon, though experts say it is too early to draw firm conclusions.

In Bengaluru, the April-May thunderstorm season will be crucial in determining how much relief the city gets before the southwest monsoon arrives.

While some local beliefs link rainfall around Yugadi to monsoon performance, meteorologists stress that scientific forecasts depend on large-scale atmospheric conditions, not folklore.

Not the End of Summer

Overall, the current spell marks a good start to the mango shower season in Karnataka, bringing temporary cooling and rainfall.

However, the broader trend remains unchanged:
summer is far from over, and temperatures are expected to rise in the coming weeks, with intermittent thunderstorms rather than continuous rain.